/* Course Progress Section Styles */
.upcoming-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.pie-chart-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.pie-chart {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: conic-gradient(
        #4ade80 0% 40%, /* Green for completed */
        #f87171 40% 70%, /* Red for in-progress */
        #e5e7eb 70% 100% /* Gray for not started */
    );
    position: relative;
}

.pie-chart::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}